According to recent evidence, which drug used to treat migraine headaches has some potential for addiction?
Definition of metabolism for Students. : the processes by which a living organism uses food to obtain energy and build tissue and disposes of waste material.
Metabolism, Human. Metabolism means the sum of all chemical changes in a cell or the body of an organism. It has two subdivisions: catabolism and anabolism. Catabolism (from the Greek cata, meaning down) consists of all those reactions in which large molecules are broken down into smaller ones, with a release of energy from their chemical bonds.